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FIG 4. This 72-year-old woman had follicular carcinoma of the left lobe of the thyroid. This case represents a false-positive interpretation of esophageal invasion. There was no evidence of esophageal invasion by surgical or pathologic evaluation.
A, Axial T1-weighted image (700/17) shows effacement of the fat plane between the esophagus and the left thyroid (arrow).
B, Axial T2-weighted image (3000/78) shows focal increased signal within the esophageal wall adjacent to the thyroid mass (arrowheads) compared with the normal right lateral wall of the esophagus (arrow).
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